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Finding the Fourth Proportional to 629,294.65, 944,078.67 and 229,934.78

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Solution

The fourth proportional to 629,294.65, 944,078.67 and 229,934.78 is: 344,952.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,294.65 : 944,078.67 = 229,934.78 : x
  2. Step 2: Convert to fraction form
    629,294.65/944,078.67 = 229,934.78/x
  3. Step 3: Cross multiply
    629,294.65x = 944,078.67 × 229,934.78
  4. Step 4: Simplify right side
    629,294.65x = 217,076,521,289.14
  5. Step 5: Solve for x
    x = 217,076,521,289.14/629,294.65
  6. Step 6: Final answer
    x = 344,952.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.